import { login, logout } from "@/api/user";
import { getToken, setToken, removeToken, removeeiId } from "@/utils/auth";
import router, { resetRouter } from "@/router";

const state = {
  token: getToken(),
  name: "",
  avatar: "",
  introduction: "",
  roles: [],
  userAuth: JSON.parse(window.sessionStorage.getItem("userAuth")),
  isAdmin: JSON.parse(window.sessionStorage.getItem("isAdmin")),
  username: JSON.parse(window.sessionStorage.getItem("username"))
};

const mutations = {
  SET_TOKEN: (state, token) => {
    state.token = token;
  },
  SET_INTRODUCTION: (state, introduction) => {
    state.introduction = introduction;
  },
  SET_NAME: (state, name) => {
    state.name = name;
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar;
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles;
  },
  SET_USER_AUTH: (state, userAuth) => {
    window.sessionStorage.setItem("userAuth", JSON.stringify(userAuth));
  },
  SET_IS_ADMIN: (state, isAdmin) => {
    window.sessionStorage.setItem("isAdmin", JSON.stringify(isAdmin));
  },
  SET_USERNAME: (state, isAdmin) => {
    window.sessionStorage.setItem("username", JSON.stringify(username));
  }
};

const getters = {
  userAuth: state => {
    // if (state.userAuth) {
    //   return state.userAuth
    // }
    return JSON.parse(window.sessionStorage.getItem("userAuth"));
  },
  isAdmin: state => {
    // if (state.isAdmin) {
    //   return state.isAdmin
    // }
    return JSON.parse(window.sessionStorage.getItem("isAdmin"));
  },
  username: state => {
    return JSON.parse(window.sessionStorage.getItem("username"));
  }
};

const actions = {
  // user login
  login({ commit }, userInfo) {
    const {
      username,
      password,
      loginCode,
      graphVerifyCode,
      roleGroupId
    } = userInfo;
    return new Promise((resolve, reject) => {
      login({
        account: username.trim(),
        password: password,
        loginCode: loginCode,
        graphVerifyCode: graphVerifyCode,
        roleGroupId: roleGroupId
      })
        .then(response => {
          const { data } = response;
          const token = data.token;
          window.sessionStorage.setItem("AuthInfo", JSON.stringify(data));
          window.sessionStorage.setItem("username", JSON.stringify(data.name));
          window.sessionStorage.setItem(
            "companyname",
            JSON.stringify(data.eName)
          );
          window.sessionStorage.setItem(
            "rolename",
            JSON.stringify(data.roleName)
          );
          window.sessionStorage.setItem("phone", JSON.stringify(data.phone));
          for (var i = 0; i < data.roles.length; i++) {
            if (data.roles[i].code === "ADMIN") {
              commit("SET_IS_ADMIN", true);
              break;
            }
          }

          commit("SET_TOKEN", token);
          commit("SET_USER_AUTH", data);

          setToken(data.token);
          resolve();
        })
        .catch(error => {
          reject(error);
        });
    });
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      // getInfo(state.token).then(response => {
      //   const { data } = response

      const data = {
        roles: ["admin"],
        introduction: "I am a super administrator",
        avatar:
          "https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif",
        name: "admin"
      };

      if (!data) {
        reject("Verification failed, please Login again.");
      }

      const { roles, name, avatar, introduction } = data;

      // roles must be a non-empty array
      if (!roles || roles.length <= 0) {
        reject("getInfo: roles must be a non-null array!");
      }

      commit("SET_ROLES", roles);
      commit("SET_NAME", name);
      commit("SET_AVATAR", avatar);
      commit("SET_INTRODUCTION", introduction);
      resolve(data);
    }).catch(error => {
      // eslint-disable-next-line no-undef
      reject(error);
    });

    // })
  },

  // user logout
  logout({ commit, state, dispatch }) {
    return new Promise((resolve, reject) => {
      logout(state.token)
        .then(() => {
          window.sessionStorage.removeItem("userAuth");
          window.sessionStorage.removeItem("isAdmin");
          window.sessionStorage.removeItem("AuthInfo");
          window.sessionStorage.removeItem("username");
          commit("SET_IS_ADMIN", false);
          commit("SET_USER_AUTH", {});
          commit("SET_TOKEN", "");
          commit("SET_ROLES", []);
          removeToken();
          removeeiId();
          resetRouter();
          // reset visited views and cached views
          // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
          dispatch("tagsView/delAllViews", null, { root: true });

          resolve();
        })
        .catch(error => {
          commit("SET_IS_ADMIN", false);
          commit("SET_USER_AUTH", {});
          commit("SET_TOKEN", "");
          commit("SET_ROLES", []);
          removeToken();
          removeeiId();
          resetRouter();
          reject(error);
        });
    });
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      commit("SET_IS_ADMIN", false);
      commit("SET_USER_AUTH", {});
      commit("SET_TOKEN", "");
      commit("SET_ROLES", []);
      removeeiId();
      removeToken();
      resolve();
    });
  },

  // dynamically modify permissions
  changeRoles({ commit, dispatch }, role) {
    return new Promise(async resolve => {
      const token = role + "-token";

      commit("SET_TOKEN", token);
      setToken(token);

      const { roles } = await dispatch("getInfo");

      resetRouter();

      // generate accessible routes map based on roles
      const accessRoutes = await dispatch("permission/generateRoutes", roles, {
        root: true
      });
      // dynamically add accessible routes
      router.addRoutes(accessRoutes);

      // reset visited views and cached views
      dispatch("tagsView/delAllViews", null, { root: true });

      resolve();
    });
  }
};

export default {
  namespaced: true,
  state,
  mutations,
  actions,
  getters
};
